102012212293 has 2 divisors, whose sum is σ = 102012212294. Its totient is φ = 102012212292.

The previous prime is 102012212287. The next prime is 102012212339. The reversal of 102012212293 is 392212210201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61781079364 + 40231132929 = 248558^2 + 200577^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012212293 - 2⁹ = 102012211781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012012293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006106146 + 51006106147.

It is an arithmetic number, because the mean of its divisors is an integer number (51006106147).

Almost surely, 2^102012212293 is an apocalyptic number.

It is an amenable number.

102012212293 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012212293 is an equidigital number, since it uses as much as digits as its factorization.

102012212293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 102012212293 its reverse (392212210201), we get a palindrome (494224422494).

The spelling of 102012212293 in words is "one hundred two billion, twelve million, two hundred twelve thousand, two hundred ninety-three".